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Proton spin-lattice relaxation in iron fluosilicate
Authors:S.M. Skjaeveland  I. Svare  D.P. Tunstall
Affiliation:Physics Department, Norwegian Institute of Technology, 7034 Trondheim, Norway;Physics Department, University of St. Andrews, St. Andrews, Scotland
Abstract:Proton T1 of FeSiF6·6H2O is proportional to exp (Δ/kT)at liquid helium temperatures, with Δ ≈ D - 3E. We find the crystal field splitting of the Fe2+ ion in this salt to be D = (12.2 ± 1.0) cm-1 using E = 0.54 cm-1.
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